org.wicketstuff.lazymodel

Class LazyColumn<T,S,R>

java.lang.Object

org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn<T,S>

org.wicketstuff.lazymodel.LazyColumn<T,S,R>

Type Parameters:

T - row object type

S - sort property type

R - cell object type

All Implemented Interfaces:

Serializable, org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator<T>, org.apache.wicket.extensions.markup.html.repeater.data.table.export.IExportableColumn<T,S>, org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn<T,S>, org.apache.wicket.extensions.markup.html.repeater.data.table.IStyledColumn<T,S>, org.apache.wicket.model.IDetachable, org.apache.wicket.util.io.IClusterable

public class LazyColumn<T,S,R>
extends org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn<T,S>
implements org.apache.wicket.extensions.markup.html.repeater.data.table.export.IExportableColumn<T,S>

A DataTable column for lazy evaluations.

 new LazyColumn<A, Void, B>(header, from(A.class).getB());
 

Author:

svenmeier

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
LazyColumn(org.apache.wicket.model.IModel<String> displayModel, LazyModel<R> cellModel) Creates a new non-sortable column.
LazyColumn(org.apache.wicket.model.IModel<String> displayModel, LazyModel<R> cellModel, S sortProperty) Creates a new column.
LazyColumn(org.apache.wicket.model.IModel<String> displayModel, R evaluationResult) Creates a new non-sortable column.
LazyColumn(org.apache.wicket.model.IModel<String> displayModel, R evaluationResult, S sortProperty) Creates a new column.

Method Summary

Methods

Modifier and Type	Method and Description
void	detach()
org.apache.wicket.model.IModel<R>	getDataModel(org.apache.wicket.model.IModel<T> rowModel) Factory method for generating a model that will generated the cell value.
void	populateItem(org.apache.wicket.markup.repeater.Item<org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator<T>> item, String componentId, org.apache.wicket.model.IModel<T> rowModel) Implementation of populateItem which adds a label to the cell whose model is the provided evaluation against rowModelObject.

Methods inherited from class org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn

getCssClass, getDisplayModel, getHeader, getSortProperty, isSortable

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.wicket.extensions.markup.html.repeater.data.table.export.IExportableColumn

getDisplayModel

Methods inherited from interface org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn

getHeader, getSortProperty, isSortable

Constructor Detail

LazyColumn

public LazyColumn(org.apache.wicket.model.IModel<String> displayModel,
          R evaluationResult)

Creates a new non-sortable column.

Parameters:

displayModel - model for the header

evaluationResult - result of an evaluation

See Also:

LazyModel.from(Class)

LazyColumn

public LazyColumn(org.apache.wicket.model.IModel<String> displayModel,
          LazyModel<R> cellModel)

Creates a new non-sortable column.

Parameters:

displayModel - model for the header

cellModel - lazy model for the cells

LazyColumn

public LazyColumn(org.apache.wicket.model.IModel<String> displayModel,
          R evaluationResult,
          S sortProperty)

Creates a new column. If the sortProperty is not null, then the column will be sortable.

Parameters:

displayModel - model for the header

evaluationResult - result of an evaluation

sortProperty - sort property to use when sorting by this column

See Also:

LazyModel.from(Class)

LazyColumn

public LazyColumn(org.apache.wicket.model.IModel<String> displayModel,
          LazyModel<R> cellModel,
          S sortProperty)

Creates a new column. If the sortProperty is not null, then the column will be sortable.

Parameters:

displayModel - model for the header

cellModel - lazy model for the cells

sortProperty - sort property to use when sorting by this column

Method Detail

detach

public void detach()

Specified by:

detach in interface org.apache.wicket.model.IDetachable

Overrides:

detach in class org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractColumn<T,S>

populateItem

public void populateItem(org.apache.wicket.markup.repeater.Item<org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator<T>> item,
                String componentId,
                org.apache.wicket.model.IModel<T> rowModel)

Implementation of populateItem which adds a label to the cell whose model is the provided evaluation against rowModelObject.

Specified by:

populateItem in interface org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator<T>

Parameters:

item - the row item

componentId - id for component

rowModel - the model of the row

getDataModel

public org.apache.wicket.model.IModel<R> getDataModel(org.apache.wicket.model.IModel<T> rowModel)

Factory method for generating a model that will generated the cell value.

Specified by:

getDataModel in interface org.apache.wicket.extensions.markup.html.repeater.data.table.export.IExportableColumn<T,S>

Parameters:

rowModel - the model of the row

Returns:

cell model